{"id":"S85137980","label":"Trolley buses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85137980","normalized_label":"trolley buses","broader":["http://id.loc.gov/authorities/subjects/sh85018247"],"aliases":["Trackless trolleys"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85137980","provider":"lcsh","revision":"cee5a9e0b046bf86","taxonomy_revision":"f050b5d4780b1289","title":"Trolley buses","url":"/topics/S85137980","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126418529004700160","address_version":"morton4x16-v1","coordinates":[0,20,19560,61440],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}